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WALTON TANK TESTING <br /> ENGINEERING,INC. DATA SHEET [' syslemsarralmng <br /> forthe <br /> Petroleum Industry <br /> Facility: Quik Stop Market#124 Test Equip,.nt used: EZY 3 Locator Plus <br /> address: 505 N. Main Street Test Method By: Manufacturer <br /> City,State Manteca,CA 95336 Tank Manufacturer: Xerxes <br /> Test Date: December 14,2007 Tank Material Double Wall Fiberglass <br /> TANK DATA <br /> Tank# 1 <br /> Tank Product Gasoline-87 <br /> Tank Size Finches/gallons] 90.00 10000 <br /> Product Inches/gallons] 31.40 2974 <br /> Ullage [inches/gallons] 58.60 7026 <br /> Water in Tank[inches/gallons] 0.00 0 <br /> Tank Bottom Fm Grade [inches 135.00 <br /> GROUND WATER DEPTH <br /> Ground Water From Grade ["N/A" <br /> Method Determined <br /> Location <br /> PRESSURE SENSOR CALCULATION VACUUM <br /> PSI (1) 31.4("product) X 0.026(Weight product)=0.816 Time Pressure <br /> PSI (2) 0 (" water) X .036 (Water weight) = 0 Blower Started 2:30 AM 0.0000 <br /> PSI (3) 0.816 PSI(1)+0 PSI(2)= 0.816 (Positive head psi) Test Pressure Reached 3:15 AM 1.7190 <br /> PSI (4) 0("water outside) X .036(Water weight) =0 Blower Stopped 3:15 AM 1.7100 <br /> PSI (5) 0.816 PSI(3)-0 PSI(4) =0.816 Test Began 3:15 AM 1.7040 <br /> PSI (6) Add 0.5 PSI Test Ended 3:25 AM 1.6980 <br /> PSI (7) 0.816 PSI(5)+0.5 PSI(6) =1.316(Test pressure) <br /> TEST EVALUATION COMMENT ON TEST EVALUATION <br /> ACOUSTICAL TEST RESULTS <br /> PASS <br /> ©2006 Walton Engineering,Inc. <br />